Modeling compact object mergers GW190814 and GW200210 and other self-bound compact stars with dark matter induced by gravitational decoupling and its …

SK Maurya, A Errehymy, KN Singh, A Aziz… - The Astrophysical …, 2024 - iopscience.iop.org
We present a rigorous study of compact objects within f (Q) gravity where electrical fields
and dark matter are studied and provide novel mass–radius relations with models falling in …

Bosonic dark matter in light of the NICER precise mass-radius measurements

S Shakeri, DR Karkevandi - Physical Review D, 2024 - APS
We explore the presence of self-interacting bosonic dark matter (DM) within neutron stars
(NSs) in light of the latest multimessenger observations of the Neutron Star Interior …

Bose–Einstein Condensation dark matter models generated by gravitational decoupling

SK Maurya, MK Jasim, A Errehymy… - Physics of the Dark …, 2024 - Elsevier
A study on massive compact objects influenced by Bose–Einstein condensation (BEC) dark
matter (DM) with a gravitational decoupling approach is presented within the context of f (Q) …

Constraining self-interacting fermionic dark matter in admixed neutron stars using multimessenger astronomy

M Mariani, C Albertus, MR Alessandroni… - Monthly Notices of …, 2024 - academic.oup.com
We investigate the structure of admixed neutron stars with a regular hadronic component
and a fraction of fermionic self-interacting dark matter. Using two limiting equations of state …

Color-flavor locked strange stars admixed with mirror dark matter and the observations of compact stars

SH Yang, CM Pi - Journal of Cosmology and Astroparticle …, 2024 - iopscience.iop.org
We investigate the structure and the tidal deformability of the color-flavor locked strange
stars admixed with mirror dark matter. Assuming the stars in the GW170817 event have a …

The impact of anisotropy on neutron star properties: insights from 𝖨–𝖿–𝖢 universal relations

SR Mohanty, S Ghosh, P Routaray… - Journal of Cosmology …, 2024 - iopscience.iop.org
Anisotropy in pressure within a star emerges from exotic internal processes. In this study, we
incorporate pressure anisotropy using the Quasi-Local model. Macroscopic properties …

Probing the impact of delta-baryons on nuclear matter and non-radial oscillations in neutron stars

PJ Kalita, P Routaray, S Ghosh, B Kumar… - Journal of Cosmology …, 2024 - iopscience.iop.org
Non-radial oscillations of Neutron Stars (NSs) provide a means to learn important details
regarding their interior composition and equation of state. We consider the effects of Δ …

[HTML][HTML] Exploring the macroscopic properties of proto-neutron stars: Effects of entropy and lepton fraction

S Ghosh, S Shaikh, PJ Kalita, P Routaray, B Kumar… - Nuclear Physics B, 2024 - Elsevier
Neutron stars (NSs) have generally been considered as cold, zero-temperature entities.
Recent progress in computational methods and theoretical modelling has opened up the …

Constraints on scalar and vector dark matter admixed neutron stars with linear and quadratic couplings

F Grippa, G Lambiase, TK Poddar - arXiv preprint arXiv:2407.16386, 2024 - arxiv.org
We study the effect of dark matter scalar and vector-mediated interactions on dark matter
admixed neutron stars. In particular, we exploit the two-fluid formalism of Tolman …

Searching for New Physics in Ultradense Environment: a Review on Dark Matter Admixed Neutron Stars

F Grippa, G Lambiase, TK Poddar - arXiv preprint arXiv:2412.09381, 2024 - arxiv.org
Neutron Stars (NSs), among the densest objects in the Universe, are exceptional
laboratories for investigating Dark Matter (DM) properties. Recent theoretical and …